With 489 curves, US 421, “The Snake,” rivals the Tail of the Dragon as Tennessee's best drive

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When it comes to hair-raising, butt-clinching drives through Tennessee and North Carolina, the Tail of the Dragon has long stood as a favorite for motorcyclists, sports car enthusiasts, and other thrill-seekers, but the US 421 aka “The Snake,” is quickly building a cult following all its own.


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